Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 3 am Tue 03 Mar Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Heavy rain (total 47mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue morning, min 3°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 21mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Mild temperatures (max 8°C on Sun afternoon, min 1°C on Sun night). Wind will be generally light.

Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
heavy rain
mod rain
rain showers
mod rain
light rain
rain showers
light rain
light rain
cloud
light rain
cloud
light rain
mod rain
mod rain
light rain
light snow
light rain
light rain
heavy rain
mod. rain
rain shwrs
mod. rain
light rain
rain shwrs
light rain
light rain
cloudy
light rain
cloudy
light rain
mod. rain
mod. rain
light rain
light snow
 km/h
15
S
15
S
10
SSE
5
W
5
SW
5
SSW
10
SW
5
WSW
5
SW
5
SSE
5
S
5
SE
5
S
5
SSW
5
S
10
SSW
10
SW
10
SSW
1
1.9
1.4
20
7
0.9
7
4
1.9
2
0.1
1.8
1
8
6
4
0.4
max °C
7
7
6
5
6
5
3
4
3
5
6
5
7
7
7
7
8
3
min °C
7
7
4
4
5
3
3
3
3
4
5
4
6
7
7
7
6
1
4
4
2
4
5
1
1
3
3
4
5
3
5
6
6
5
4
-2
1800
1650
1500
1200
1350
1050
900
1000
1050
1050
1250
1650
2350
2300
2100
2050
1850
750
Cloud base (m)
600
550
550
550
550
600
600
600
600
600
750
600
600
600
600
600
550
600
Sea lvl1000m2000m3000m4000m5000m
-2-3-4-6-5-7-8-8-6-4-3-2110-1-3-721-1-2-1-3-4-4-3-3-2033221-5775564343565777772
Sunrise
6:45
6:43
6:41
6:39
6:37
7:35
Sunset
5:54
5:55
5:58
5:59
6:00
7:01

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Heavy rain (total 47mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue morning, min 3°C on Wed night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 21mm), heaviest during Sun morning. Later becoming colder with a dusting of snow on Sun night. Mild temperatures (max 8°C on Sun afternoon, min 1°C on Sun night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
59 minutes ago
12° C
Dry
3
Calm
(3 kph at 29).
19
25 km WNW
102m alt.
1 hour ago
13° C
Dry
Wind obs. (6 kph from 119 degs) was rejected.
25 km WSW
198m alt.
29 minutes ago
11° C
Dry
3
Calm
(3 kph at 22).
6
26 km NW
125m alt.
1 hour ago
12° C
Dry
2
Calm
(2 kph at 205).
8
27 km WSW
99m alt.
40 minutes ago
11° C
Dry
26
Moderate winds from the SSE
(26 kph at 160).
39
28 km NW
152m alt.
35 minutes ago
12° C
Dry
Wind obs. (11 kph from 170 degs) was rejected.
30 km WSW
130m alt.
28 minutes ago
11° C
Dry
5
Calm
(5 kph at 229).
24
35 km WNW
19m alt.
1 hour ago
12° C
Dry
3
Calm
(3 kph at 250).
11
35 km WSW
100m alt.
1 hour ago
Dry
5
Calm
(5 kph at 163).
16
SHIP3334
39 km W
15m alt.
3 hours ago
30
Fresh winds from the S
(30 kph at 170).
- km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.